Definition of pluffy in US English:

pluffy

(also ploffy)

adjective

Scottish
  • Scottish, English regional, and Irish English (northern). Having a puffed-up appearance; puffy; fat, swollen, fleshy. Also (English regional (south-western)): soft, spongy.

Origin

Late 17th century; earliest use found in William Cleland (?1661–1689), army officer and poet. From pluff + -y.

Pronunciation

pluffy

/ˈplʌfi/